ArticlePsychopharmacology2022
Anti-inflammatory drugs prevent memory and hippocampal plasticity deficits following initial binge-like alcohol exposure in adolescent male rats.
Article in Psychopharmacology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 17 citations in OpenAlex.
- The Activation of Aldehyde Dehydrogenase 2 (ALDH2) by Alda-1 and Flurbiprofen as a Common Mechanism to Reduce Alcohol Intake in Rats.International journal of molecular sciences · 2026Article
- Sex differences in the neuroimmune response following heavy, binge-like alcohol exposure in adolescent rats.Journal of neuroimmunology · 2025Article
- Mechanisms of Alcohol Interference with Hippocampal Neurogenesis and its Repair Strategies.Molecular neurobiology · 2025Review
- Thiamine Deficiency and Neuroinflammation Are Important Contributors to Alcohol Use Disorder.Pathophysiology : the official journal of the International Society for Pathophysiology · 2025Review
- Review
- Article
- Neuroplasticity in the transition from acute to chronic pain.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2024Review
- Epigenetic regulation of microglia and neurons by proinflammatory signaling following adolescent intermittent ethanol (AIE) exposure and in human AUD.Advances in drug and alcohol research · 2024Review
- Consequences of adolescent drug use.Translational psychiatry · 2023Review
- Review
- Targeting Persistent Changes in Neuroimmune and Epigenetic Signaling in Adolescent Drinking to Treat Alcohol Use Disorder in Adulthood.Pharmacological reviews · 2023Review
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
rationaleBinge drinking during adolescence impairs learning and memory on the long term, and many studies suggest a role of neuroinflammation. However, whether neuroinflammation occurs after the very first exposures to alcohol remains unclear, while initial alcohol exposure impairs learning for several days in male rats.
objectivesTo investigate the role of neuroinflammation in the effects of only two binge-like episodes on learning and on neuronal plasticity in adolescent male rat hippocampus.
methodsAnimals received two ethanol i.p. injections (3 g/kg) 9 h apart. Forty-eight hours later, we recorded long-term depression (LTD) and potentiation (LTP) in CA1 area of hippocampus slices. In isolated CA1, we measured immunolabelings for microglial activation and Toll-like receptor 4 (TLR4) and mRNA levels for several cytokines.
resultsForty-eight hours after the two binges, rats performed worse than control rats in novel object recognition, LTD was reduced, LTP was increased, and excitatory neurotransmission was more sensitive to an antagonist of the GluN2B subunit of the NMDA receptor. Exposure to ethanol with minocycline or indomethacin, two anti-inflammatory drugs, or with a TLR4 antagonist, prevented all effects of ethanol. Immunolabelings at 48 h showed a reduction of neuronal TLR4 that was prevented by minocycline pretreatment, while microglial reactivity was undetected and inflammatory cytokines mRNA levels were unchanged.
conclusionTwo binge-like ethanol exposures during adolescence in rat involved neuroinflammation leading to changes in TLR4 expression and in GluN2B functioning inducing disturbances in synaptic plasticity and cognitive deficits. Anti-inflammatory drugs are good candidates to prevent brain function and memory deficits induced by few binge-drinking episodes.
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